Dual-Cure Polymer Systems
First Claim
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1. A method of generating a given polymer, comprising the steps of:
- providing an initial composition comprising a first polymerizable composition and a second polymerizable composition,wherein said first polymerizable composition undergoes polymerization when submitted to a first polymerization reaction condition,wherein said second polymerizable composition undergoes polymerization when submitted to a second polymerization reaction condition, andwherein said first and second polymerization reaction conditions are orthogonal to each other;
submitting said initial composition to said first polymerization reaction condition to promote polymerization of said first polymerizable composition, thereby forming an intermediate composition; and
,submitting said intermediate composition to said second polymerization reaction condition to promote polymerization of said second polymerizable composition, thereby forming said given polymer.
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Abstract
The present invention includes compositions that are useful to prepare dual-cure shape memory polymer systems. The present invention further provides methods of generating a shape memory polymer, optical device, polymer pad with an imprint, or suture anchor system.
76 Citations
22 Claims
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1. A method of generating a given polymer, comprising the steps of:
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providing an initial composition comprising a first polymerizable composition and a second polymerizable composition, wherein said first polymerizable composition undergoes polymerization when submitted to a first polymerization reaction condition, wherein said second polymerizable composition undergoes polymerization when submitted to a second polymerization reaction condition, and wherein said first and second polymerization reaction conditions are orthogonal to each other; submitting said initial composition to said first polymerization reaction condition to promote polymerization of said first polymerizable composition, thereby forming an intermediate composition; and
,submitting said intermediate composition to said second polymerization reaction condition to promote polymerization of said second polymerizable composition, thereby forming said given polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. (canceled)
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15. A composition comprising at least one component selected from the group consisting of:
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(a) an acrylate monomer and at least one thiol monomer, wherein the ratio of the thiol equivalent concentration of said at least one thiol monomer in said composition and the acrylate equivalent concentration of said at least one acrylate monomer in said composition ranges from about 0.05 to about 0.95; (b) a mixture of at least one nucleophile monomer and at least one electrophile monomer, wherein the ratio of the nucleophile equivalent concentration of said at least one nucleophile monomer in said composition and the electrophile equivalent concentration of said at least one electrophile monomer in said composition ranges from about 2;
1 to about 1;
2;wherein said at least one electrophile monomer comprises an isocyanate monomer or epoxy monomer; and
,wherein said at least one nucleophile monomer comprises a thiol monomer or alcohol monomer; (c) at least one thiol monomer and at least one monomer selected from the group consisting of acrylate, methacrylate, acrylamide, methacrylamide, maleimide, acrylonitrile, cyanoacrylate and combinations thereof, further optionally comprising a phosphine; and, (d) at least one thiol monomer, at least one acrylate monomer, and at least one ene monomer, wherein the ratio of said at least one thiol monomer to said at least one acrylate monomer is greater than about 1;
1. - View Dependent Claims (16, 17, 18, 21, 22)
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- 19. (canceled)
Specification